Balmford etal_2002_Science

Balmford - DOI 10.1126/science.1073947 950(2002 297 Science et al Andrew Balmford Economic Reasons for Conserving Wild Nature This copy is for your

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Unformatted text preview: DOI: 10.1126/science.1073947 , 950 (2002); 297 Science et al. Andrew Balmford, Economic Reasons for Conserving Wild Nature This copy is for your personal, non-commercial use only. . clicking here colleagues, clients, or customers by , you can order high-quality copies for your If you wish to distribute this article to others . here following the guidelines can be obtained by Permission to republish or repurpose articles or portions of articles (this information is current as of February 9, 2010 ): The following resources related to this article are available online at www.sciencemag.org http://www.sciencemag.org/cgi/content/full/297/5583/950 version of this article at: including high-resolution figures, can be found in the online Updated information and services, http://www.sciencemag.org/cgi/content/full/297/5583/950/DC1 can be found at: Supporting Online Material found at: can be related to this article A list of selected additional articles on the Science Web sites http://www.sciencemag.org/cgi/content/full/297/5583/950#related-content http://www.sciencemag.org/cgi/content/full/297/5583/950#otherarticles , 4 of which can be accessed for free: cites 9 articles This article 228 article(s) on the ISI Web of Science. cited by This article has been http://www.sciencemag.org/cgi/content/full/297/5583/950#otherarticles 20 articles hosted by HighWire Press; see: cited by This article has been http://www.sciencemag.org/cgi/collection/ecology Ecology : subject collections This article appears in the following registered trademark of AAAS. is a Science 2002 by the American Association for the Advancement of Science; all rights reserved. The title Copyright American Association for the Advancement of Science, 1200 New York Avenue NW, Washington, DC 20005. (print ISSN 0036-8075; online ISSN 1095-9203) is published weekly, except the last week in December, by the Science on February 9, 2010 www.sciencemag.org Downloaded from R E V I E W : E C O L O G Y Economic Reasons for Conserving Wild Nature Andrew Balmford, 1 * Aaron Bruner, 2 Philip Cooper, 3 Robert Costanza, 4 † Stephen Farber, 5 Rhys E. Green, 1,6 Martin Jenkins, 7 Paul Jefferiss, 6 Valma Jessamy, 3 Joah Madden, 1 Kat Munro, 1 Norman Myers, 8 Shahid Naeem, 9 Jouni Paavola, 3 Matthew Rayment, 6 Sergio Rosendo, 3 Joan Roughgarden, 10 Kate Trumper, 1 R. Kerry Turner 3 On the eve of the World Summit on Sustainable Development, it is timely to assess progress over the 10 years since its predecessor in Rio de Janeiro. Loss and degradation of remaining natural habitats has continued largely unabated. However, evidence has been accumulating that such systems generate marked economic benefits, which the available data suggest exceed those obtained from continued habitat conversion. We estimate that the overall benefit:cost ratio of an effective global program for the conservation of remaining wild nature is at least 100:1....
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Balmford - DOI 10.1126/science.1073947 950(2002 297 Science et al Andrew Balmford Economic Reasons for Conserving Wild Nature This copy is for your

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